Perhaps you should try some spelling variations:
"trong trinh do snippets" » "trong tinh do snippets", "trang trinh do snippets", "trong thinh do snippets", "trong trinh ky snippets"
"dung trinh java snippets" » "dung tinh java snippets", "dong trinh java snippets", "cong trinh java snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("dung trinh java snippets") or ("trong trinh do snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung trinh java snippets") OR ("trong trinh do snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung trinh java snippets ) or ( trong trinh do snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung trinh java snippets") or ("trong trinh do snippets"))) or ("locating bug code snippets"))*.